497 1 etf1_ftcs497.txt INTERACTIVE DATA CHAPMAN AND CUTLER LLP 111 WEST MONROE STREET CHICAGO, ILLINOIS 60603 June 14, 2013 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Re: First Trust Exchange-Traded Fund (Registration Nos. 333-125751 and 811-21774) ------------------------------------------------- Ladies and Gentlemen: On behalf of First Trust Exchange-Traded Fund (the "Registrant"), we are transmitting for electronic filing pursuant to Rule 497(e) under the Securities Act of 1933, as amended, the exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information in the form of the statement of additional information and one copy of a supplement, in the form of a sticker, to the prospectus for the Registrant filed pursuant to Rule 497 on May 31, 2013. The Registration Statement relates to First Trust Capital Strength ETF, a series of the Registrant. If you have any questions or comments, please telephone the undersigned at (312) 845-3484. Very truly yours, CHAPMAN AND CUTLER LLP By: /s/ Morrison C. Warren ------------------------------- Morrison C. Warren